Module 4 Review

The number –4 is the _______ of 4.

• Absolute Value

• Opposite

• Subtrahend

• Property

The _______ of a number always represents the distance of that number from zero on a number line.

• absolute value
• opposite
• Limit

• Inverse

When subtracting two numbers, you add the _______ of the number being subtracted.

• absolute value
• opposite

• Sum

• Minuend

Which of the following statements is true?

• The sum of two numbers is always positive.

• The difference of two numbers is always negative.

• The absolute value of a number is never negative.

• The opposite of a number is always negative.

Is the value of 5 – (–4) – 3 positive or negative?

• Positive

• Negative

• Zero

The value of which expression is negative?

• 1 + 2 – (–12)

• 2 + 5 – 17

• 4 – 5 – (–2)

• 7 – 6 – (–5)

CHOOSE TWO: The temperature at 7:00 a.m. was 12 °C, and by 7:00 p.m. it had dropped to –10 °C. Which expression represents the change in temperature?

• 12 + (–10)

• 12 – 10

• 10 + (-12)

• –10 – 12

CHOOSE TWO: The temperature at 4:00 p.m. was –6 °C, and then it fell by 7 °C. Which expressions represents the new temperature?

• –6 – 7

• –7 – (–6)

• 6 – (–7)

• –6 + (-7)

10 + (−4)

Mathematical Equivalence

ON

−3 + (−3)

Mathematical Equivalence

OFF